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((any wasted-spark type. Low 1..2 msec dwell preferred) == GM DIS coils == http://198.208.187.182/servlet/com.entigo.acdelcocatalog.servlet.ProcessImageServlet?languagecd=EN&countrycd=US&user=InternetUser&mfgname=&prodlinecd=&acpartnbr=D555 * was used in 1000s of cars from mid 80s - present ::Isuzu 92 - 94 ::Cadillac 93 - 95; 87 - 88 ::Chevrolet87 - 94 ::Chevrolet/GMC Truck 92 - 94 ::Buick 86 - 95 ::Oldsmobile 86 - 95 ::Pontiac 87 - 95 * different part numbers ::10495121, 10497771 ::10472401, 10468391 ::1103608, 1103646 ::1103744, 1103745, 1103746 ::1103662, 1103663 ::D539, D540, D555 * you can buy them from any GM or AC delco dealer or http://www.cntianhai.com/images/products/3001.jpg http://www.cntianhai.com/en/products/dhxq.htm http://www.march-inc.net/gm.htm36.jpg http://www.march-inc.net/gm.htm * there is a company called Delteq that sells a wasted-spark conversion for chevy LT1 optiJUNK distributor and their kit contains GM ( AC Delco ) D555 coils : http://www.delteq.com/products_opti.htm : http://www.delteq.com/support.htm ** yesterday I bought 2 sets ( each set contains 3 coils ) of GM coils from a local junkyard I will try to take some pics ------ == MSD Ignition # 8224 == ( GM DIS type ) http://static.summitracing.com/global/images/prod/norm/msd-8224_m.jpg * Specifications ::Primary Resistance: 0.35 ohms ::Secondary Resistance: 7.8K ohms ::Maximum Voltage: 40,000 volts ::Inductance: 4.2 mH ::Turns Ratio: 80:1 *This coil looks nice. 12.6V over the primary (14V VBatt - 1.4V drop on IGBT) means roughly 12.6V/4.2mH=3A/msec current rampup slope. 2msec dwell (6A peak) looks like a good starting value, and it should probably bear 3msec (9A peak current) at 14V VBatt. *each one costs about $40. I like it, maybe we could stock them in WebShop, some on each continent. At least I cannot get good wasted-spark coils for $40 locally (old continent) in small quantities. * check http://store.summitracing.com/default.asp?target=partdetail.asp&part=MSD%2D8224&view=1 ------ == Accel # 140017 == ( GM DIS type ) http://static.summitracing.com/global/images/prod/norm/acc-140017_m.jpg * Specifications ::Primary Resistance 0.5 Ohms ::Secondary Resistance 8.0 k Ohms ::Turns Ratio 75 : 1 ::Maximum Voltage 45,000 volts ::Peak Increase in Energy vs. OE 11% ::Peak Increase in Voltage vs. OE 10% ::Peak Increase in Dwell vs. OE 21% ::Peak Increase in Current vs. OE 12% * check http://store.summitracing.com/default.asp?target=partdetail.asp&part=ACC-140017 ------- == FORD EDIS coils == any stock ford EDIS coil 4,6 or 8 cylinders ------ == MSD Ignition # 8241 == ( FORD EDIS type ) http://static.summitracing.com/global/images/prod/norm/msd-8241_cp_m.jpg * Specifications ::Maximum Voltage 40000 ::Turns Ratio 83:1 ::Primary Resistance 0.530 ohms ::Secondary Resistance 12.8 ohms ::Inductance 5.8 mH * check http://store.summitracing.com/default.asp?target=partdetail.asp&part=MSD-8241 ------ == Accel # 140018 == ( FORD EDIS type ) http://static.summitracing.com/global/images/prod/norm/acc-140018_w_m.jpg * Specifications ::Primary resistance: .5 ohms ::Secondary resistance: 11.6k ohms ::Turns ratio: 85:1 ::Maximum voltage: 42,000 volts *check http://store.summitracing.com/default.asp?target=partdetail.asp&part=ACC-140018 ------- == 034efi waste spark coil == http://www.034efi.com/images/WSCoiltn.JPG * Specifications ::Powerful ignition coil ::easily capable of 45kV output ::Compact design for use 4 cylinder and 8 cyli ::waste spark applications ::Universal high tension lead connectors ::3-wire connector, included ::Price- $75 each plus shipping. ::Price- MSD coil lead connector with boot - $4 each *check http://www.034efi.com/components.html ------- == M&W Double Post Coil == http://www.bmepfuelandtuning.com/assets/images/testpa4.jpeg * check http://www.bmepfuelandtuning.com/html/m_w_ignitions.html ------ do you know any other waste spark coils ? -------- return to MembersPage/TerroRx/WastedSparkOnChevySB/ MembersPage/TerroRx/
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